Effects of extreme heat on milk quantity and quality
CONTEXT: Heat exposure, particularly when co-occurring with extreme humidity levels, is amongst the most pronounced and challenging extreme weather conditions in European dairy production. Since these conditions are expected to increase in magnitude and frequency due to climate change, it is crucial...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Vroege, Willemijn [verfasserIn] Dalhaus, Tobias [verfasserIn] Wauters, Erwin [verfasserIn] Finger, Robert [verfasserIn] |
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| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2023 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Agricultural systems - Amsterdam [u.a.] : Elsevier, 1976, 210 |
|---|---|
| Übergeordnetes Werk: |
volume:210 |
| DOI / URN: |
10.1016/j.agsy.2023.103731 |
|---|
| Katalog-ID: |
ELV061181412 |
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| 245 | 1 | 0 | |a Effects of extreme heat on milk quantity and quality |
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| 520 | |a CONTEXT: Heat exposure, particularly when co-occurring with extreme humidity levels, is amongst the most pronounced and challenging extreme weather conditions in European dairy production. Since these conditions are expected to increase in magnitude and frequency due to climate change, it is crucial to better understand the actual impact under managed production within the European dairy farm population.OBJECTIVE: In this paper, we estimate the impact of heat stress, i.e. hot and humid weather conditions on milk quantity and quality in Flanders, a high intensity dairy production region in Belgium. The novelty of our approach is twofold. First, we provide insights in the non-linear response of dairy production (quantity and quality) to extreme heat using farm-level production data. Second, using data from the entire population of farmers in Flanders, and covering 6 years (N = 178.843), our results provide a maximum of representativeness and allows to infer on economic relevance of the effects.METHODS: We use monthly milk deliveries within the grazing season for the period 2009 to 2014, which we match with temperature and humidity conditions at the barn-level. Using fixed effects regression, we particularly focus on heat shocks, i.e. the deviations from the average climate at the barn location, on production shocks, i.e. deviations from the average production of the barn. We use non-linear restricted cubic splines regression to estimate the response of milk quality and quantity to hourly temperature-humidity (THI) exposure.RESULTS AND CONCLUSION: We find reductions of milk quantity and protein contents under hot and humid conditions, while milk fat content appears unaffected. These results are in contrast to earlier findings of heat exposure on dairy production in two ways. First, we find the critical temperature-humidity threshold above which production is affected to be substantially higher than in earlier/experimental studies. Second, not all quality components are affected by these conditions. We conclude that under managed conditions, farmers seem to be partly able to adapt their production to moderate heat exposure.SIGNIFICANCE: Our results deliver important implications for policy makers and agricultural practitioners. While we find that farmers seem to be able to cope with moderate heat conditions, milk quality and quantity drop under extreme heat conditions. These impacts are economically relevant. | ||
| 650 | 4 | |a Weather extremes | |
| 650 | 4 | |a Risk management | |
| 650 | 4 | |a Heat stress | |
| 650 | 4 | |a Dairy | |
| 650 | 4 | |a Belgium | |
| 650 | 4 | |a Europe | |
| 700 | 1 | |a Dalhaus, Tobias |e verfasserin |4 aut | |
| 700 | 1 | |a Wauters, Erwin |e verfasserin |4 aut | |
| 700 | 1 | |a Finger, Robert |e verfasserin |4 aut | |
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10.1016/j.agsy.2023.103731 doi (DE-627)ELV061181412 (ELSEVIER)S0308-521X(23)00136-1 DE-627 ger DE-627 rda eng 630 640 VZ 49.00 bkl 48.00 bkl Vroege, Willemijn verfasserin aut Effects of extreme heat on milk quantity and quality 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier CONTEXT: Heat exposure, particularly when co-occurring with extreme humidity levels, is amongst the most pronounced and challenging extreme weather conditions in European dairy production. Since these conditions are expected to increase in magnitude and frequency due to climate change, it is crucial to better understand the actual impact under managed production within the European dairy farm population.OBJECTIVE: In this paper, we estimate the impact of heat stress, i.e. hot and humid weather conditions on milk quantity and quality in Flanders, a high intensity dairy production region in Belgium. The novelty of our approach is twofold. First, we provide insights in the non-linear response of dairy production (quantity and quality) to extreme heat using farm-level production data. Second, using data from the entire population of farmers in Flanders, and covering 6 years (N = 178.843), our results provide a maximum of representativeness and allows to infer on economic relevance of the effects.METHODS: We use monthly milk deliveries within the grazing season for the period 2009 to 2014, which we match with temperature and humidity conditions at the barn-level. Using fixed effects regression, we particularly focus on heat shocks, i.e. the deviations from the average climate at the barn location, on production shocks, i.e. deviations from the average production of the barn. We use non-linear restricted cubic splines regression to estimate the response of milk quality and quantity to hourly temperature-humidity (THI) exposure.RESULTS AND CONCLUSION: We find reductions of milk quantity and protein contents under hot and humid conditions, while milk fat content appears unaffected. These results are in contrast to earlier findings of heat exposure on dairy production in two ways. First, we find the critical temperature-humidity threshold above which production is affected to be substantially higher than in earlier/experimental studies. Second, not all quality components are affected by these conditions. We conclude that under managed conditions, farmers seem to be partly able to adapt their production to moderate heat exposure.SIGNIFICANCE: Our results deliver important implications for policy makers and agricultural practitioners. While we find that farmers seem to be able to cope with moderate heat conditions, milk quality and quantity drop under extreme heat conditions. These impacts are economically relevant. Weather extremes Risk management Heat stress Dairy Belgium Europe Dalhaus, Tobias verfasserin aut Wauters, Erwin verfasserin aut Finger, Robert verfasserin aut Enthalten in Agricultural systems Amsterdam [u.a.] : Elsevier, 1976 210 Online-Ressource (DE-627)306311003 (DE-600)1495825-9 (DE-576)255637659 0308-521X nnns volume:210 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-FOR GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 49.00 Hauswirtschaft: Allgemeines VZ 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 210 |
| spelling |
10.1016/j.agsy.2023.103731 doi (DE-627)ELV061181412 (ELSEVIER)S0308-521X(23)00136-1 DE-627 ger DE-627 rda eng 630 640 VZ 49.00 bkl 48.00 bkl Vroege, Willemijn verfasserin aut Effects of extreme heat on milk quantity and quality 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier CONTEXT: Heat exposure, particularly when co-occurring with extreme humidity levels, is amongst the most pronounced and challenging extreme weather conditions in European dairy production. Since these conditions are expected to increase in magnitude and frequency due to climate change, it is crucial to better understand the actual impact under managed production within the European dairy farm population.OBJECTIVE: In this paper, we estimate the impact of heat stress, i.e. hot and humid weather conditions on milk quantity and quality in Flanders, a high intensity dairy production region in Belgium. The novelty of our approach is twofold. First, we provide insights in the non-linear response of dairy production (quantity and quality) to extreme heat using farm-level production data. Second, using data from the entire population of farmers in Flanders, and covering 6 years (N = 178.843), our results provide a maximum of representativeness and allows to infer on economic relevance of the effects.METHODS: We use monthly milk deliveries within the grazing season for the period 2009 to 2014, which we match with temperature and humidity conditions at the barn-level. Using fixed effects regression, we particularly focus on heat shocks, i.e. the deviations from the average climate at the barn location, on production shocks, i.e. deviations from the average production of the barn. We use non-linear restricted cubic splines regression to estimate the response of milk quality and quantity to hourly temperature-humidity (THI) exposure.RESULTS AND CONCLUSION: We find reductions of milk quantity and protein contents under hot and humid conditions, while milk fat content appears unaffected. These results are in contrast to earlier findings of heat exposure on dairy production in two ways. First, we find the critical temperature-humidity threshold above which production is affected to be substantially higher than in earlier/experimental studies. Second, not all quality components are affected by these conditions. We conclude that under managed conditions, farmers seem to be partly able to adapt their production to moderate heat exposure.SIGNIFICANCE: Our results deliver important implications for policy makers and agricultural practitioners. While we find that farmers seem to be able to cope with moderate heat conditions, milk quality and quantity drop under extreme heat conditions. These impacts are economically relevant. Weather extremes Risk management Heat stress Dairy Belgium Europe Dalhaus, Tobias verfasserin aut Wauters, Erwin verfasserin aut Finger, Robert verfasserin aut Enthalten in Agricultural systems Amsterdam [u.a.] : Elsevier, 1976 210 Online-Ressource (DE-627)306311003 (DE-600)1495825-9 (DE-576)255637659 0308-521X nnns volume:210 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-FOR GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 49.00 Hauswirtschaft: Allgemeines VZ 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 210 |
| allfields_unstemmed |
10.1016/j.agsy.2023.103731 doi (DE-627)ELV061181412 (ELSEVIER)S0308-521X(23)00136-1 DE-627 ger DE-627 rda eng 630 640 VZ 49.00 bkl 48.00 bkl Vroege, Willemijn verfasserin aut Effects of extreme heat on milk quantity and quality 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier CONTEXT: Heat exposure, particularly when co-occurring with extreme humidity levels, is amongst the most pronounced and challenging extreme weather conditions in European dairy production. Since these conditions are expected to increase in magnitude and frequency due to climate change, it is crucial to better understand the actual impact under managed production within the European dairy farm population.OBJECTIVE: In this paper, we estimate the impact of heat stress, i.e. hot and humid weather conditions on milk quantity and quality in Flanders, a high intensity dairy production region in Belgium. The novelty of our approach is twofold. First, we provide insights in the non-linear response of dairy production (quantity and quality) to extreme heat using farm-level production data. Second, using data from the entire population of farmers in Flanders, and covering 6 years (N = 178.843), our results provide a maximum of representativeness and allows to infer on economic relevance of the effects.METHODS: We use monthly milk deliveries within the grazing season for the period 2009 to 2014, which we match with temperature and humidity conditions at the barn-level. Using fixed effects regression, we particularly focus on heat shocks, i.e. the deviations from the average climate at the barn location, on production shocks, i.e. deviations from the average production of the barn. We use non-linear restricted cubic splines regression to estimate the response of milk quality and quantity to hourly temperature-humidity (THI) exposure.RESULTS AND CONCLUSION: We find reductions of milk quantity and protein contents under hot and humid conditions, while milk fat content appears unaffected. These results are in contrast to earlier findings of heat exposure on dairy production in two ways. First, we find the critical temperature-humidity threshold above which production is affected to be substantially higher than in earlier/experimental studies. Second, not all quality components are affected by these conditions. We conclude that under managed conditions, farmers seem to be partly able to adapt their production to moderate heat exposure.SIGNIFICANCE: Our results deliver important implications for policy makers and agricultural practitioners. While we find that farmers seem to be able to cope with moderate heat conditions, milk quality and quantity drop under extreme heat conditions. These impacts are economically relevant. Weather extremes Risk management Heat stress Dairy Belgium Europe Dalhaus, Tobias verfasserin aut Wauters, Erwin verfasserin aut Finger, Robert verfasserin aut Enthalten in Agricultural systems Amsterdam [u.a.] : Elsevier, 1976 210 Online-Ressource (DE-627)306311003 (DE-600)1495825-9 (DE-576)255637659 0308-521X nnns volume:210 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-FOR GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 49.00 Hauswirtschaft: Allgemeines VZ 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 210 |
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10.1016/j.agsy.2023.103731 doi (DE-627)ELV061181412 (ELSEVIER)S0308-521X(23)00136-1 DE-627 ger DE-627 rda eng 630 640 VZ 49.00 bkl 48.00 bkl Vroege, Willemijn verfasserin aut Effects of extreme heat on milk quantity and quality 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier CONTEXT: Heat exposure, particularly when co-occurring with extreme humidity levels, is amongst the most pronounced and challenging extreme weather conditions in European dairy production. Since these conditions are expected to increase in magnitude and frequency due to climate change, it is crucial to better understand the actual impact under managed production within the European dairy farm population.OBJECTIVE: In this paper, we estimate the impact of heat stress, i.e. hot and humid weather conditions on milk quantity and quality in Flanders, a high intensity dairy production region in Belgium. The novelty of our approach is twofold. First, we provide insights in the non-linear response of dairy production (quantity and quality) to extreme heat using farm-level production data. Second, using data from the entire population of farmers in Flanders, and covering 6 years (N = 178.843), our results provide a maximum of representativeness and allows to infer on economic relevance of the effects.METHODS: We use monthly milk deliveries within the grazing season for the period 2009 to 2014, which we match with temperature and humidity conditions at the barn-level. Using fixed effects regression, we particularly focus on heat shocks, i.e. the deviations from the average climate at the barn location, on production shocks, i.e. deviations from the average production of the barn. We use non-linear restricted cubic splines regression to estimate the response of milk quality and quantity to hourly temperature-humidity (THI) exposure.RESULTS AND CONCLUSION: We find reductions of milk quantity and protein contents under hot and humid conditions, while milk fat content appears unaffected. These results are in contrast to earlier findings of heat exposure on dairy production in two ways. First, we find the critical temperature-humidity threshold above which production is affected to be substantially higher than in earlier/experimental studies. Second, not all quality components are affected by these conditions. We conclude that under managed conditions, farmers seem to be partly able to adapt their production to moderate heat exposure.SIGNIFICANCE: Our results deliver important implications for policy makers and agricultural practitioners. While we find that farmers seem to be able to cope with moderate heat conditions, milk quality and quantity drop under extreme heat conditions. These impacts are economically relevant. Weather extremes Risk management Heat stress Dairy Belgium Europe Dalhaus, Tobias verfasserin aut Wauters, Erwin verfasserin aut Finger, Robert verfasserin aut Enthalten in Agricultural systems Amsterdam [u.a.] : Elsevier, 1976 210 Online-Ressource (DE-627)306311003 (DE-600)1495825-9 (DE-576)255637659 0308-521X nnns volume:210 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-FOR GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 49.00 Hauswirtschaft: Allgemeines VZ 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 210 |
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10.1016/j.agsy.2023.103731 doi (DE-627)ELV061181412 (ELSEVIER)S0308-521X(23)00136-1 DE-627 ger DE-627 rda eng 630 640 VZ 49.00 bkl 48.00 bkl Vroege, Willemijn verfasserin aut Effects of extreme heat on milk quantity and quality 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier CONTEXT: Heat exposure, particularly when co-occurring with extreme humidity levels, is amongst the most pronounced and challenging extreme weather conditions in European dairy production. Since these conditions are expected to increase in magnitude and frequency due to climate change, it is crucial to better understand the actual impact under managed production within the European dairy farm population.OBJECTIVE: In this paper, we estimate the impact of heat stress, i.e. hot and humid weather conditions on milk quantity and quality in Flanders, a high intensity dairy production region in Belgium. The novelty of our approach is twofold. First, we provide insights in the non-linear response of dairy production (quantity and quality) to extreme heat using farm-level production data. Second, using data from the entire population of farmers in Flanders, and covering 6 years (N = 178.843), our results provide a maximum of representativeness and allows to infer on economic relevance of the effects.METHODS: We use monthly milk deliveries within the grazing season for the period 2009 to 2014, which we match with temperature and humidity conditions at the barn-level. Using fixed effects regression, we particularly focus on heat shocks, i.e. the deviations from the average climate at the barn location, on production shocks, i.e. deviations from the average production of the barn. We use non-linear restricted cubic splines regression to estimate the response of milk quality and quantity to hourly temperature-humidity (THI) exposure.RESULTS AND CONCLUSION: We find reductions of milk quantity and protein contents under hot and humid conditions, while milk fat content appears unaffected. These results are in contrast to earlier findings of heat exposure on dairy production in two ways. First, we find the critical temperature-humidity threshold above which production is affected to be substantially higher than in earlier/experimental studies. Second, not all quality components are affected by these conditions. We conclude that under managed conditions, farmers seem to be partly able to adapt their production to moderate heat exposure.SIGNIFICANCE: Our results deliver important implications for policy makers and agricultural practitioners. While we find that farmers seem to be able to cope with moderate heat conditions, milk quality and quantity drop under extreme heat conditions. These impacts are economically relevant. Weather extremes Risk management Heat stress Dairy Belgium Europe Dalhaus, Tobias verfasserin aut Wauters, Erwin verfasserin aut Finger, Robert verfasserin aut Enthalten in Agricultural systems Amsterdam [u.a.] : Elsevier, 1976 210 Online-Ressource (DE-627)306311003 (DE-600)1495825-9 (DE-576)255637659 0308-521X nnns volume:210 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-FOR GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 49.00 Hauswirtschaft: Allgemeines VZ 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 210 |
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Vroege, Willemijn @@aut@@ Dalhaus, Tobias @@aut@@ Wauters, Erwin @@aut@@ Finger, Robert @@aut@@ |
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Vroege, Willemijn |
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Vroege, Willemijn ddc 630 bkl 49.00 bkl 48.00 misc Weather extremes misc Risk management misc Heat stress misc Dairy misc Belgium misc Europe Effects of extreme heat on milk quantity and quality |
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Effects of extreme heat on milk quantity and quality |
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effects of extreme heat on milk quantity and quality |
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Effects of extreme heat on milk quantity and quality |
| abstract |
CONTEXT: Heat exposure, particularly when co-occurring with extreme humidity levels, is amongst the most pronounced and challenging extreme weather conditions in European dairy production. Since these conditions are expected to increase in magnitude and frequency due to climate change, it is crucial to better understand the actual impact under managed production within the European dairy farm population.OBJECTIVE: In this paper, we estimate the impact of heat stress, i.e. hot and humid weather conditions on milk quantity and quality in Flanders, a high intensity dairy production region in Belgium. The novelty of our approach is twofold. First, we provide insights in the non-linear response of dairy production (quantity and quality) to extreme heat using farm-level production data. Second, using data from the entire population of farmers in Flanders, and covering 6 years (N = 178.843), our results provide a maximum of representativeness and allows to infer on economic relevance of the effects.METHODS: We use monthly milk deliveries within the grazing season for the period 2009 to 2014, which we match with temperature and humidity conditions at the barn-level. Using fixed effects regression, we particularly focus on heat shocks, i.e. the deviations from the average climate at the barn location, on production shocks, i.e. deviations from the average production of the barn. We use non-linear restricted cubic splines regression to estimate the response of milk quality and quantity to hourly temperature-humidity (THI) exposure.RESULTS AND CONCLUSION: We find reductions of milk quantity and protein contents under hot and humid conditions, while milk fat content appears unaffected. These results are in contrast to earlier findings of heat exposure on dairy production in two ways. First, we find the critical temperature-humidity threshold above which production is affected to be substantially higher than in earlier/experimental studies. Second, not all quality components are affected by these conditions. We conclude that under managed conditions, farmers seem to be partly able to adapt their production to moderate heat exposure.SIGNIFICANCE: Our results deliver important implications for policy makers and agricultural practitioners. While we find that farmers seem to be able to cope with moderate heat conditions, milk quality and quantity drop under extreme heat conditions. These impacts are economically relevant. |
| abstractGer |
CONTEXT: Heat exposure, particularly when co-occurring with extreme humidity levels, is amongst the most pronounced and challenging extreme weather conditions in European dairy production. Since these conditions are expected to increase in magnitude and frequency due to climate change, it is crucial to better understand the actual impact under managed production within the European dairy farm population.OBJECTIVE: In this paper, we estimate the impact of heat stress, i.e. hot and humid weather conditions on milk quantity and quality in Flanders, a high intensity dairy production region in Belgium. The novelty of our approach is twofold. First, we provide insights in the non-linear response of dairy production (quantity and quality) to extreme heat using farm-level production data. Second, using data from the entire population of farmers in Flanders, and covering 6 years (N = 178.843), our results provide a maximum of representativeness and allows to infer on economic relevance of the effects.METHODS: We use monthly milk deliveries within the grazing season for the period 2009 to 2014, which we match with temperature and humidity conditions at the barn-level. Using fixed effects regression, we particularly focus on heat shocks, i.e. the deviations from the average climate at the barn location, on production shocks, i.e. deviations from the average production of the barn. We use non-linear restricted cubic splines regression to estimate the response of milk quality and quantity to hourly temperature-humidity (THI) exposure.RESULTS AND CONCLUSION: We find reductions of milk quantity and protein contents under hot and humid conditions, while milk fat content appears unaffected. These results are in contrast to earlier findings of heat exposure on dairy production in two ways. First, we find the critical temperature-humidity threshold above which production is affected to be substantially higher than in earlier/experimental studies. Second, not all quality components are affected by these conditions. We conclude that under managed conditions, farmers seem to be partly able to adapt their production to moderate heat exposure.SIGNIFICANCE: Our results deliver important implications for policy makers and agricultural practitioners. While we find that farmers seem to be able to cope with moderate heat conditions, milk quality and quantity drop under extreme heat conditions. These impacts are economically relevant. |
| abstract_unstemmed |
CONTEXT: Heat exposure, particularly when co-occurring with extreme humidity levels, is amongst the most pronounced and challenging extreme weather conditions in European dairy production. Since these conditions are expected to increase in magnitude and frequency due to climate change, it is crucial to better understand the actual impact under managed production within the European dairy farm population.OBJECTIVE: In this paper, we estimate the impact of heat stress, i.e. hot and humid weather conditions on milk quantity and quality in Flanders, a high intensity dairy production region in Belgium. The novelty of our approach is twofold. First, we provide insights in the non-linear response of dairy production (quantity and quality) to extreme heat using farm-level production data. Second, using data from the entire population of farmers in Flanders, and covering 6 years (N = 178.843), our results provide a maximum of representativeness and allows to infer on economic relevance of the effects.METHODS: We use monthly milk deliveries within the grazing season for the period 2009 to 2014, which we match with temperature and humidity conditions at the barn-level. Using fixed effects regression, we particularly focus on heat shocks, i.e. the deviations from the average climate at the barn location, on production shocks, i.e. deviations from the average production of the barn. We use non-linear restricted cubic splines regression to estimate the response of milk quality and quantity to hourly temperature-humidity (THI) exposure.RESULTS AND CONCLUSION: We find reductions of milk quantity and protein contents under hot and humid conditions, while milk fat content appears unaffected. These results are in contrast to earlier findings of heat exposure on dairy production in two ways. First, we find the critical temperature-humidity threshold above which production is affected to be substantially higher than in earlier/experimental studies. Second, not all quality components are affected by these conditions. We conclude that under managed conditions, farmers seem to be partly able to adapt their production to moderate heat exposure.SIGNIFICANCE: Our results deliver important implications for policy makers and agricultural practitioners. While we find that farmers seem to be able to cope with moderate heat conditions, milk quality and quantity drop under extreme heat conditions. These impacts are economically relevant. |
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| score |
7.3988733 |